android_device_samsung_msm8996-common/rootdir/etc/init.qcom.power.rc

# Copyright (c) 2016, Code Aurora Forum. All rights reserved.
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on init
    write /sys/module/lpm_levels/parameters/sleep_disabled "Y"

    # Drop write bit from cpu_max_freq so that libqti-perfd can't set it
    chmod 0444 /sys/module/msm_performance/parameters/cpu_max_freq

on boot
    # Add a cpuset for the camera daemon
    # we want all cores for camera
    mkdir /dev/cpuset/camera-daemon
    write /dev/cpuset/camera-daemon/cpus 0-3
    write /dev/cpuset/camera-daemon/mems 0
    chown system system /dev/cpuset/camera-daemon
    chown system system /dev/cpuset/camera-daemon/tasks
    chmod 0664 /dev/cpuset/camera-daemon/tasks

    # Enable sched boost
    write /proc/sys/kernel/sched_boost 1

on charger
    wait /dev/block/platform/soc/${ro.boot.bootdevice}
    symlink /dev/block/platform/soc/${ro.boot.bootdevice} /dev/block/bootdevice

    wait /dev/block/bootdevice/by-name/efs
    mount ext4 /dev/block/bootdevice/by-name/efs /efs nosuid nodev noatime noauto_da_alloc,discard,data=ordered,errors=panic
    mkdir /efs/Battery 0775 radio system
    chown radio system /efs/Battery
    chmod 0775 /efs/Battery
    chmod 0664 /sys/class/power_supply/battery/batt_temp_table
    chown system radio /sys/class/power_supply/battery/batt_temp_table
    chmod 0664 /sys/class/power_supply/battery/batt_capacity_max
    chown system radio /sys/class/power_supply/battery/batt_capacity_max
    chmod 0664 /efs/Battery/batt_capacity_max
    chown radio system /efs/Battery/batt_capacity_max
    chmod 0664 /sys/class/power_supply/battery/battery_cycle
    chown system radio /sys/class/power_supply/battery/battery_cycle
    chmod 0664 /sys/class/power_supply/battery/batt_after_manufactured
    chown system radio /sys/class/power_supply/battery/batt_after_manufactured
    chown system radio /sys/class/power_supply/battery/cisd_fullcaprep_max
    chmod 0660 /sys/class/power_supply/battery/cisd_fullcaprep_max
    chown system radio /sys/class/power_supply/battery/cisd_data
    chmod 0660 /sys/class/power_supply/battery/cisd_data
    chown system system /efs/FactoryApp/cisd_data
    chmod 0660 /efs/FactoryApp/cisd_data
    chown system system /efs/FactoryApp/cisd_wc_data
    chmod 0660 /efs/FactoryApp/cisd_wc_data
    chown system system /efs/FactoryApp/asoc
    chmod 0660 /efs/FactoryApp/asoc
    chown system system /efs/FactoryApp/batt_after_manufactured
    chmod 0640 /efs/FactoryApp/batt_after_manufactured
    chown system system /efs/FactoryApp/batt_discharge_level
    chmod 0640 /efs/FactoryApp/batt_discharge_level
    chown system radio /sys/class/power_supply/battery/cisd_data_json
    chmod 0660 /sys/class/power_supply/battery/cisd_data_json
    copy /system/vendor/firmware/battery_data.dat /efs/Battery/battery_data.dat
    chmod 0400 /efs/Battery/battery_data.dat
    write /sys/class/power_supply/battery/batt_update_data "/efs/Battery/battery_data.dat"
    chown radio system /efs
    chmod 0771 /efs
    chown radio system /efs/usb_hw_param
    chmod 771 /efs/usb_hw_param
    chown system system /efs/usb_hw_param/usb_hw_param.log
    chmod 0660 /efs/usb_hw_param/usb_hw_param.log
    mkdir /efs/lpm 0775 system system

    write /sys/module/lpm_levels/parameters/sleep_disabled "N"

    write /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor "userspace"
    write /sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed 300000
    write /sys/devices/system/cpu/cpu1/online 1
    write /sys/devices/system/cpu/cpu1/cpufreq/scaling_governor "userspace"
    write /sys/devices/system/cpu/cpu1/cpufreq/scaling_setspeed 300000
    write /sys/devices/system/cpu/cpu2/online 0
    write /sys/devices/system/cpu/cpu3/online 0
    write /sys/module/msm_thermal/parameters/enabled "N"

    class_start sec-charger
    start thermal-engine

    setprop sys.usb.configfs 1

on enable-low-power
    # Disable thermal hotplug to switch governor
    write /sys/module/msm_thermal/core_control/enabled 0

    # Enable Adaptive LMK
    write /sys/module/lowmemorykiller/parameters/enable_adaptive_lmk 1
    write /sys/module/lowmemorykiller/parameters/vmpressure_file_min 81250

    # Set sync wakee policy tunable
    write /proc/sys/kernel/sched_prefer_sync_wakee_to_waker 1

    # Configure governor settings for little cluster
    write /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor "schedutil"
    write /sys/devices/system/cpu/cpu0/cpufreq/schedutil/up_rate_limit_us 500
    write /sys/devices/system/cpu/cpu0/cpufreq/schedutil/down_rate_limit_us 20000
    write /sys/devices/system/cpu/cpu0/cpufreq/schedutil/iowait_boost_enable 1

    # Bring CPU2 online
    write /sys/devices/system/cpu/cpu2/online 1

    # Configure governor settings for big cluster
    write /sys/devices/system/cpu/cpu2/cpufreq/scaling_governor "schedutil"
    write /sys/devices/system/cpu/cpu2/cpufreq/schedutil/up_rate_limit_us 500
    write /sys/devices/system/cpu/cpu2/cpufreq/schedutil/down_rate_limit_us 20000
    write /sys/devices/system/cpu/cpu2/cpufreq/schedutil/iowait_boost_enable 1

    # Set boottime stune value
    write /dev/stune/schedtune.prefer_idle 1
    write /dev/stune/schedtune.boost 10

    # set default schedTune value for foreground/top-app (only affects EAS)
    write /dev/stune/foreground/schedtune.prefer_idle 1
    write /dev/stune/top-app/schedtune.boost 10
    write /dev/stune/top-app/schedtune.prefer_idle 1
    write /dev/stune/rt/schedtune.boost 30
    write /dev/stune/rt/schedtune.prefer_idle 1

    # Re-enable thermal hotplug
    write /sys/module/msm_thermal/core_control/enabled 1

    # Dynamic stune boost config
    write /sys/module/cpu_boost/parameters/dynamic_stune_boost 10

    # Input boost config
    write /sys/module/cpu_boost/parameters/input_boost_freq "0:1324800 2:1324800"
    write /sys/module/cpu_boost/parameters/input_boost_ms 40

    # Enable bus-dcvs
    write /sys/class/devfreq/soc:qcom,cpubw/governor "bw_hwmon"
    write /sys/class/devfreq/soc:qcom,cpubw/polling_interval 50
    write /sys/class/devfreq/soc:qcom,cpubw/min_freq 1525
    write /sys/class/devfreq/soc:qcom,cpubw/bw_hwmon/mbps_zones "1525 5195 11863 13763"
    write /sys/class/devfreq/soc:qcom,cpubw/bw_hwmon/sample_ms 4
    write /sys/class/devfreq/soc:qcom,cpubw/bw_hwmon/io_percent 34
    write /sys/class/devfreq/soc:qcom,cpubw/bw_hwmon/hist_memory 20
    write /sys/class/devfreq/soc:qcom,cpubw/bw_hwmon/hyst_length 10
    write /sys/class/devfreq/soc:qcom,cpubw/bw_hwmon/low_power_ceil_mbps 0
    write /sys/class/devfreq/soc:qcom,cpubw/bw_hwmon/low_power_io_percent 34
    write /sys/class/devfreq/soc:qcom,cpubw/bw_hwmon/low_power_delay 20
    write /sys/class/devfreq/soc:qcom,cpubw/bw_hwmon/guard_band_mbps 0
    write /sys/class/devfreq/soc:qcom,cpubw/bw_hwmon/up_scale 250
    write /sys/class/devfreq/soc:qcom,cpubw/bw_hwmon/idle_mbps 1600

    write /sys/class/devfreq/soc:qcom,memlat-cpu0/governor "mem_latency"
    write /sys/class/devfreq/soc:qcom,memlat-cpu0/polling_interval 10
    write /sys/class/devfreq/soc:qcom,memlat-cpu2/governor "mem_latency"
    write /sys/class/devfreq/soc:qcom,memlat-cpu2/polling_interval 10
    write /sys/class/devfreq/soc:qcom,mincpubw/governor "cpufreq"

    # Enable all LPMs (this will enable C4, D4, D3, E4 and M3 LPMs)
    write /sys/module/lpm_levels/parameters/sleep_disabled "N"

    # Set perfd properties
    setprop vendor.post_boot.parsed 1

on property:sys.boot_completed=1
    # Set runtime stune value
    write /dev/stune/schedtune.prefer_idle 0
    write /dev/stune/schedtune.boost 0

    trigger enable-low-power

    # Set I/O squeduler
    setprop sys.io.scheduler "bfq"

    # Update cpusets now that boot is complete and we want better load balancing
    write /dev/cpuset/top-app/cpus 0-3
    write /dev/cpuset/foreground/cpus 0-2
    write /dev/cpuset/background/cpus 0
    write /dev/cpuset/system-background/cpus 0-2
    write /dev/cpuset/restricted/cpus 0-1

on property:init.svc.recovery=running
    trigger enable-low-power

service charger /system/bin/lpm
    class sec-charger
    user system
    group system radio graphics input
    capabilities SYS_BOOT
    seclabel u:r:charger:s0

service energy-awareness /vendor/bin/energy-awareness
    class main
    user root
    group system
    oneshot